_Ferdinand AVIZ ___________+
                                                  | (1433 - 1470) m 1447      
                       _Manuel I AVIZ ____________|
                      | (1469 - 1521)             |
                      |                           |_Beatrice of AVIZ _________+
                      |                             (1430 - 1506) m 1447      
 _Edward AVIZ ________|
| (1515 - 1540) m 1537|
|                     |                            _Ferdinand II TRASTÁMARA _+
|                     |                           | (1451 - 1515) m 1469      
|                     |_Maria of TRASTÁMARA _____|
|                       (1482 - 1516)             |
|                                                 |_Isabella I TRASTÁMARA ___+
|                                                   (1451 - 1504) m 1469      
|
|--Catrina of AVIZ 
|  (1539 - 1614)
|                                                  _Fernando II BRAGANZA _____+
|                                                 | (1430 - 1483)             
|                      _Jaime BRAGANZA ___________|
|                     | (1479 - 1532)             |
|                     |                           |_Isabella of AVIZ _________+
|                     |                             (1459 - 1521)             
|_Isabel of BRAGANZA _|
  (1514 - 1576) m 1537|
                      |                            ___________________________
                      |                           |                           
                      |_Leonor Pérez of GUZMÁN _|
                                                  |
                                                  |___________________________